Tran T. Nguyen, DO

Medicare activity in 2024

Official CMS public-use data for Tran T. Nguyen, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Most frequent services

1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)398 services
2. Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes (99231)153 services
3. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)102 services
4. Hospital discharge day management, more than 30 minutes (99239)67 services
5. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)26 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

• High blood pressure75%
• High cholesterol75%
• Arthritis53%
• Diabetes51%
• Chronic kidney disease51%
• Ischemic heart disease50%

Hospitals where Tran T. Nguyen works

Medicare's Facility Affiliation Data lists Tran T. Nguyen at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

• Southwest Healthcare Rancho Springs HospitalMurrieta, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 050701

Practice locations

Addresses where Tran T. Nguyen is enrolled with Medicare (CMS data updated October 2, 2026).

• 36485 Inland Valley DrWildomar, CA 92595 (951) 677‑1111

Group practices

Medicare enrollment lists Tran T. Nguyen as a member of this group (CMS data updated October 2, 2026).

• Acute Care Associates of California PC55 clinicians in the group

Specialties

• Internal Medicineprimary

Find other Internal Medicine doctors in California →

Other internal medicine doctors in Wildomar

Clinicians with the same Medicare primary specialty in Wildomar, CA — not a recommendation.

• Danny H. Nguyen, DO
• Arsineh Artounian Savarani, DO
• Joan Chapman, DO
• Akhil Puri, DO
• Tom X. Tan, MD
• Osvaldo A. Lopez, MD
• Martha S. Nemer-Pelizza, MD
• Hai D. Nguyen, MD

All internal medicine doctors in Wildomar →

Other clinicians in Acute Care Associates of California PC

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

• Sikander Bains, MD
• Pye Aung, MD
• Cynthia K. Recinto, MD
• Joseph Ahoubim, DO
• Danny H. Nguyen, DO
• Joan Chapman, DO

Clinician information

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
6. Medicare Care Compare — official Medicare tool to look up clinicians